Ice-scoring machine



A ril 28, 1931.

R. S. COWAN ICE SCORING MACHINE Filed Dec.

13, 1928 5 Sheets-Sheet 1 //7l e/7%/? Wa m/ 2 5 62 494,

April 28, 1931.

' R. s. COWAN ICE SCORING MACHINE Filed Dec. 13, 1928 3 Sheets-Sheet, 2

April 28, 1931 R. s. COWAN ICE SCORING MACHINE Filed Dec.

13, 1928 3 Sheets-Sheet. 3

I rill Patented Apr. 28, 1931 UNITED STATES PATENT OFFICE RTCHARD S.COWAN, 0F FORT WORTH, TEXAS, ASSIGNOR, BY MESNE ASSIGNMENTS, 'IOGENE-EAL ICE SCORING MACHINE COMPANY, A CORPORATION OF DELAXVAREICE-SCORING MACHINE Application filed December 13, 1928. Serial No.325,729. 7

This invention relates to machines formal;- ing scores in the sides ofice cakes or blocks in order to expedite the breaking of the cakes orblocks into smaller pieces.

An object of the invention is to provide a machine having scoringdevices for forming transverse and longitudinal scores on cakes orblocks of ice and for automatically controlling the operation of themachine so that the transverse scores will be properly formed.

Another and a specific object of the invention is to provide a machinehaving devices for forming horizontal scores along the sides of cakes orblocks of ice automatically and as an incident to the movement of thecakes or blocks horizontally through the machine, in combination with anelevator mechanism for raising and lowering the cakes or'blocksof icevertically in the machine, and means for automatica ly forming verticalscores in the sides of the cakes or blocks of ice during operation ofthe elevator.

Other objects will appear from the following description, referencebeing made to the drawings in which Fig. 1 is a side elevation of myimproved machine.

Fig. 2 is a front end elevation.

Fig. 3 is a vertical cross sectional view approximately on the line 33of Fig. 1. l 4 is a sectional view of a clutch device included in themachine controlling the operation of partsof the mechanism.

Fig. 5 is a top plan view of parts of the mechanism, some of the partsof the frame etc. being shown in section.

Fig. 6 is an enlarged detail sectional view of parts of the drivingmechanism.

Fig. 7 is a plan view of the train of gearing for operating the devicesfor forming horizontal scores in the sides of the cakes or blocks ofice.

My improved machine comprises two vertical side frames, each includingupright frame members 1, 2 and 3; a lower horizontal frame member fattached to the lower ends of the upright frame members 1, 2 and 3 alongeach side; an upper horizontal frame mei'nh-er 5 attached to the upperends of the frame membersl, 2 and 3 along each side;

a horizontal frame member 6 attached to the upright frame members 1, and,2 at each side a cross connection 7 rigidly connecting the lowerhorizontal frame members 4; end cross connections 8 and '9rigidly'connecting the upper ends of the upright frame members 1 and3,'respeetively; and an intermedi ate cross connection 10 rigidlyconnecting the upper ends of the upright frame members 2.

An elevator frame for receiving and raising the cakes or'blocks of iceis mounted in the front end of the machine. The elevator comprises apair of frame members, each including a vertical side portion 11 mountedadjacent to the frame members 2 and 3, respectively, and having alaterally'extended lower arm 12 and a laterally extended upper arm 13.The lower arms 12 are connected by a base member 14 and the upper arms13 are connected by a bar 15. Each of these elevator frames has rigidtherewith a notched bracket 16 (Fig. 1), in the notches of which theflanges of the upright frame members 2 and 3 are received. Thus, theelevator is properly guided in. its ascent and descent because thebrackets 16 prevent lateral oscillation of the elevator in eitherdirection. A pair ofrchains 17 have their lower ends attached to the bar15 ofthe elevator, which is approximately midway between the lateralsides of the elevator, and their upper ends attached to spirally groovedrolls 18 rigid on a shaft 19. This shaft 19 has one end journaled forrotation in the frame member 9 and the opposite end attached to a clutchmember '20 which is journaled for rotation in the frame member 10.Obviously, rotation of the shaft 19in one direction will raise theelevator and rotation of said shaft in the opposite direction willpermit the elevator to descend.

A pair of vertical shafts 21 have their lower ends journaled in bearings22 on the respective lower frame members 4 and their upper endsjournaled in bearings 23 onthe respective frame members 6. A circular'peripherally grooved cutter or saw 24 is attached to each of the shafts21. These cutters are in such posit-ions that they will form horizontalgrooves in the opposite sides of an ice cake or block moving betweenthem. The upper ends of each of the shafts 21 has a beveled pinion 25rigid thereon meshing with pinions 26 respectively on the ends of ashaft 27 appropriately supported and ournaled for this relationship ofthe parts.

A horizontal shaft 28 is journaled for rotation in the frame members 2and 3 at one side of the machine and a similar shaft 29 is journaled forrotation in the frame members 2 and 3 at the opposite side of themachine. A motor 30 is mounted upon the frame members 6 and drives asprocket 31 connected by a chain 32 with a sprocket 33 on the shaft 28and thereby rotates said shaft 28 continuously in one direction when themotor is running. The shaft 28 has a pinion 34 meshing with the pinion25 and thereby through the gearing above described, rotates both shafts21; and by a pinion 35 on the shaft 29 also rotates said shaft 29. Eachof the shafts 28 and 29 has a number of circular peripherally toothedcutters or saws 36 attached thereto so that automatically and as anincident to the raising and lowering of the elevator the cake or blockof ice on the elevator and moved between the cutters or saws 36 will beformed with vertical grooves on its opposite sides transversely of thegrooves formed by the cutters or saws 24.

A belt drum 37 is attached to the shaft 29 and is engaged by two belts38 and 39. The belt 39 is shiftable to and from engagement with an idlerpulley 40 mounted on a cylindrical shaft 41 and to and from engagementwith a pulley 42 attached to said shaft 41. The belt 38 is shiftable toand from engagement with an idler pulley 43 loose on the shaft 41 and toand from engagement with a pulley 44 attached to said shaft 41. The belt39 twisted and will rotate the pulley 42 and thereby the shaft 41 in adirection opposite from that in which the belt 38 will rotate the pulley44 and thereby said shaft 41.. The tubular shaft 41 is mounted onantifrietion bearings 45 supported on a shaft 46. One .end of the shaft46 is journaled for rotation in an antifriction bearing 47 (Fig. 6) inthe end frame member 8 and the opposite end of said shaft 46 isjournaled in an antifriction bearing 48 in the clutch member 20. whichis attached to and supports the shaft 19. as described. A clutch member49 is loose on the shaft 46 adjacent to the end of the shaft 41. Anintern'iediate clutch member 50 is splined for sliding movements alongthe shaft 46 and is shiftable from clutching engagement with the clutchmember 20 to clutching engagement with the clutch member 49. or

to position out of engagement with both of (Fig. 1) which encircles therod 52 has one end abutting against the frame member 9 and the oppositeend against a collar 54 on said rod 52 and functions to impel and, undercertain conditions, to actuate said rod 52 in a direction to disengagethe clutch member 50 from the clutch member 20 and to engage said clutchmember 50 with the clutch member 49.

The tubular shaft 41 has a pinion 55 (Figs. 5 and 6) attached theretoand meshing with a gear 56 attached to a shaft 57 and journaled forrotation in the upper frame members 8 and 10. A pinion 58 on the shaft57 is thus driven by the gear 56 and is in mesh with a gear 59 attachedto the shaft 46. Thus. 1 have provided a speed reduction gearing fordriving the shaft 56 in either direction by the driving connectionsincluding the pulleys 42 and 44 which may be driven optionally to rotatethe shaft 41 in either direction. The arrangement is such that when thebelt 38 engages the pulley 44 the belt 39 engages the idler pulley 40;and when the belt 38 engages the idler pulley 43 the belt 39 essentiallyengages the pulley 42 so that one of said. belts is always in effectiveposition.

The clutch member 49 is provided with a sprocket wheel 60 which isconnected by a chain 61 with a sprocket wheel 62 attached to a rotaryshaft 63. The shaft 63 by beveled gearing 64 drives a vertical rotaryshaft- 65. The lower end of the rotary shaft 65 supports a sprocketwheel 66 and a. similar sprocket wheel 67 supported in front of one ofthe vertical frame members 3. An endless sprocket chain 68 is mounted onthe sprocket wheels 66 and 67 and has a pair of laterally projectingarms 69 thereon which operate to engage the rear of the ice cakes orblocks and move them from the machine after they have been verticallyscored by the scorers 36.

A rod 70 is journaled for rocking movements in bearings 71 attached tothe upright frame member 3 which is enclosed between the sides of thechain 68. The lower end of the rod 70 is an angular arm 72 which isarranged to be engaged by lugs 73 projecting upwardly from the arms 69.Thus, the rod 70 is turned in a direction and to an extent to shift thebelt 38 from the active pulley 44 to the idler pulley 43 and to shiftthe belt 39 from the idler pulley 40 to the active pulley 42. The beltshifter comprises a rod 74 ha ving its forward end pivoted to an arm7:") attached to the upper end of the rod 70 and having its rear endconnected with a rod 76 by a union 77 (Fig. 1). the opposite end ofwhich rod 76 is mounted for sliding movements in the frame member 8.Brackets 78 on the rod 76 engage the belts 38 and 39 to shift saidbelt-s as described. Thus. it will be seen thatthe rod 70 has twopositions. That is to say, said. rod 70 has one position in which thebelts 38 and 39 are engaged with the pulleys 44 and 40, respectively,andhas another position in which said belts are engaged with the pulleys 43and 42, respectively. The rod 70 and its connected parts are retained inits two positions by asnap action device such as a counterweight device7 9 mounted on a pivot 80 (Fig. 1) and having an arcuate rack 81 meshingwith a rack 82 attached to the rod 74.

A slide 83 is mountedfor vertical sliding movements between the, framemembers 2 and in its lower position constitutes an abutment to stop acake or b-lockof ice in proper position on the elevator when the cake orblock of ice is moved into the machine (Figs. 1 and 5). The end of thebase member 14 projects under the slide 83 in the lower position of saidslide and functions to raise the slide when the elevator rises. Anangular arm 84 is attached to the upper end of a rod 85 'supported forrocking movement-s by a frame member 2. In the lower position of theslide 83 the free end of tee arm 84 abuts against the side edge of theslide 83 and hence does notinterfere with the upward movement of theslide.

Vhen the slide 83 is raised by the elevator base 14 said slide is movedto a position above the arm 84. Said arm 84 is thereupon moved under thelower edge of the slide 83 by means of a spring 86 connected to an arm87 attached to the lower end of the rod 85 and acting to turn the rod 84in a direction tocause the arm 84 to project under the slide 83 (Fig.5'). The

I arm 87 projects over the chain 68 and at the proper time is engagedbyone of the lugs 73 and thereby moved to turn the rod 85 111 a directionand to an extent to dlsengage the arm 84 from under the slide 83 andpermit said slide to drop to its lower position.

In operation a cake or block of ice is pushed onto the elevator base 14until stopped by the abutment slide 83. When the cake or block of ice isproperly positioned in the machine the rod 52 is operated manuallyto'shift the clutch member 50 from the clutch member 49 into engagementwith the clutch member 20. The belt 38 is now on the idle pulley 43 andthe belt 39 is on the active pulley 42. The motor being in operation,the shaft 46 will be rotated at reduced speed and the clutch 50 being inengagement withtheclutch 20 will rotate the shaft 19 in a direction andto an extent to raise the elevator. The cake or block of ice on theelevator is thereby raised between the scorers '36 so that verticalscore lines are formed on opposite sides of theice cake or block. At theproper time a cam 88' (Figs. 1

and 2) on the upperend of the elevator engages aprojection 89 from therod 74 and shifts said rod toward the right (Fig. 5).to an extent toshift the belts 38 and 39 respectively from the idler pulley 43 to theactive pulley 44 and from the active pulley 42 to the idler pulley 40,thus reversing the direction of rotation of the shaft 46 and permittingthe elevator and the weight of the ice thereon to rethen immediatelystopped from further ro tation by a lug 90 on one of the rolls 18abutting against an arm 91 pivoted on an axis 92 at right angles to theaXis of the shaft 19.

The end of the arm 91 is in the'groove of the v roller 18' so that saidarm is oscillated as the roller turns but constitutes a laterally rigidabutment to stop the shaft 19 from further rotation when the elevatorreaches the bottom.

The weight of the elevator being no longer a supported by the shaft 19the pressure against 1 the sliding clutch member 50 is eased to such anextent that the spring 53 immediately shifts the rod 52 to an extent tomove the clutch member 50 out of engagement with the V clutch member 20.That is to say, at this time the spring 53 shifts the clutch member 50into engagement with the clutch member 49 in order to operate thedevices that eject thecake or block of ice from the machine.

Thus the clutch member 49 is rotated witlf' the clutch member 50 withthe result that the chain 61 rotates the shaft 63 and thereby the shaft65 which operates the chain 68, causing one of the arms 69 to engage therear of the cake or block of ice and move the same from the elevatoronto a track comprising angle bars 93 (Fig. 3). During such movement thecake or block of ice is moved between the scorers 24 so that horizontalscores are formed in opposite sides ofthe ice. The ice is thereby movedbelow and beyond the sliding abutment 83. After the ice passes beyondsaid sliding abutment one of the projections 7 3 engages the arm 87 andthereby moves the clutch 84'from under the sliding abutment 83permitting said abutment to drop to its lower position.

Since the rod 70 was restored to its initial position by the cam 88 inthe manner above described one of the abutments 7 3 will again engagethe arm 72 and the cycle of operation will be repeated The variousrotary scoring devices are provided with shields 94 for safety.

From the foregoing it will beseen that my invention is automatic in mostof its operations, the only manual manipulation being the'shifting ofthe clutch member 50. The machine comprises a comparatively small.-number of parts and ishighly efficient in that it saves a large amountof manual work and ice scores the ice cakes or blocks uniformly. I

any particulars I claim and desire to secure by Letters Patent 1. An icescoring machine comprising an elevator arranged to raise and lower acake or block of ice, an abutment at one end of said elevator, mechanismfor raising and lowering said elevator, means for moving said abutmentto an ineffective position when said elevator is raised, means forholding said abutment in said ineffective position, an ejector operable.after said. elevator is lowered for moving a cake or block of ice fromsaid elevator and releasing said abutment holding means.

2. An ice scoring machine comprising an elevator arranged to raise andlower a cake or block of ice, an abutment at one end of said elevator,mechanism for raising and lowering said elevator, means for moving saidabutment to an ineffective position when said elevator is raised, meansfor holding said abutment in said ineffective position, mechanism formoving a cake or block of ice from said elevator after said elevator islowered, and means for releasing said abutment by said last namedmechanism.

3. An ice scoring machine comprising an elevator arranged to receive andsupport a cake or block of ice, a movable abutment for stopping the icein position on the elevator, mechanism for raising and lowering theelevator, devices for forming scores in opposite sides of the cake orblock of ice when the elc vator is raised as aforesaid, means for movingsaid abutment to position to permit the ice to be moved from theelevator, a latch for supporting the abutment in said position, anejector for moving the ice from Sillh elovator, and means operable bysaid ejector for releasing said latch.

4.. An ice scoring machine comprising an elevator arranged to receiveand support a cake or block of ice, a movz ble abutment for stopping theice in position on the elevator, mechanism for raising and lowering theelevator, devices for forming scores in opposite sides of the cake orblock of ice when the elevator is raised as aforesaid, means for movingsaid abutment to position to permit the ice to be mo ed from theelevator, a latchfor sup orting the abutment in sc id position, andmeans for moving the ice from the elevator and releasing said latch.

5. An ice scoring machine comprising an elevator arranged to receive andsupport a cake or blocl: of ice, a movable aluitment for stopping theice in position on the elevator,

mechanism for raising and lowering the elevator, devices for forming stres in opposite sides of the cake or block of ice when the elevator israised as aforesaid, means for moving said abutment to position to permithe ice to be moved from the elevator. a latch for supporting theabutment in said position, means for moving the ice from the elevator,

means operated by said ice moving means for releasing said latch, andautomatic mechanism for controlling the operation of said ice movingmeans.

6. An ice scoring machine comprising an elevator arranged to receive andsupport a cake or block of ice, a movable abutment for stopping the icein position on the elevator, mechanism for raising and lowering theelevator, devices for forming scores in opposite sides of the cake orblock of ice when the elevator is raised as aforesaid, means for movingsaid abutment to position to permit the ice to be moved from theelevator, a latch for supporting the abutment in said position, meansfor moving the ice from the elevator, and means operated by said icemoving means for releasing said latch to permit said abutment to move toits initial position.

7. An ice scoring machine comprising an elevator arranged to raise andlower a cake or block of ice, a shaft, connections from said elevator tosaid shaft, mechanism for rotatin g said shaft in one direction tooperate said connections and raise the elevator and to rotate said shaftin the opposite direction to permit the elevator to descend, anadditional shaft which is parallel with said first shaft, connectionsfor rotating said additional shaft by said first shaft, a clutchcontrolling opera tion of said connections by said first shaft, anejector for moving the cake or block of ice from said elevator, anabutment normally arranged to stop the cake of ice in said elevator,means whereby raising and lowering said elevator renders said abutmentineffective to thus enable ejection of said cake of ice, means operableby said ejector to effect rearrangement of said abutment in effectiveposition, an d devices operated by said second shaft for operating saidejector.

8. An ice scoring machine comprising a rigid supporting frame open atits opposite ends to permit a cake or block of ice to enter said frameat one end and to pass from said frame at the opposite end, an elevatorin said frame for receiving and supporting the cake or block of ice, ashaft mounted longitudin ally in said frame, spaced connections fromsaid elevator to said shaft, driving mechanis m, a clutch rotated bysaid driving mechanism, means for rotating said clutch by said drivingmechanism in one direction to rotate said shaft to operate saidconnections and thereby raise said elevator and for rotating said clutchin theopposite direction to permit said elevator to descend, anadditional shaft parallel with said first shaft, connections operativeby said clutch for rotating said additional shaft, means for moving saidclutch to position to operate said connections, a vertical shaft drivenby said second shaft, and an ejector driven by said vertical shaft formoving the cake or block of ice from said elevator.

9. A scoring machine comprising a rigid frame, a shaft journaled forrotation in opposite directions in said frame, scoring de-' vicessupported by said frame, an elevator operative by said shaft to supportand move a cake or block of ice against said scoring device, a drivingshaft for said first shaft, a cylindrical shaft mounted on and enclosinga part of said driving shaft, mechanism for rotating said cylindricalshaft selectively in opposite directions, mechanism for rotating saiddriving shaft in opposite directions by said cylindrical shaft, and aclutch for rotating said first shaft by said driving shaft.

10. A scoring machine comprising a rigid frame, a shaft j ournale-d forrotation in opposite directions in said frame, scoring devices supportedby said frame, an elevator operative by said shaft to support and move acake or block of ice against said scoring device, a driving shaft forsaid first shaft, a cylindrical shaft mounted on and enclosing a part ofsaid driving shaft, mechanism for rotating said cylindrical shaftselectively in opposite directions, mechanism for rotating said drivingshaft in opposite directions by said cylindrical shaft, a clutch forrotating said first shaft by said driving shaft, an ejector for movingthe cake or block of ice from said elevator, and means operatedselectively by said clutch for operating said ejector.

11. An ice scoring machine comprising scoring mechanism, a support forsupporting and moving a cake or block'of ice into contact with saidscoring mechanism, a shaft, a cylindrical shaft mounted on and enclosinga part of said first shaft, mechanism for rotating said cylindricalshaft, gearing for rotating said shaft by said cylindrical shaft, anejector for moving the cake or block of ice from said support, drivingconnections for operating said ejector, and means for operating saidconnections by said first shaft. I I

12. An ice scoring machine comprising scoring mechanism, a support forsupporting and moving a cake or block of ice into contact with saidscoring mechanism, a shaft, a cylindrical shaft mounted on and enclosinga part of said first shaft, mechanism for rotating said cylindricalshaft, gearing for rotating said shaftby said cylindrical shaft, anejector for moving the calreor block of ice from sa idsupport, drivinconnections for operating said ejector, a clutch device foroperatingsaid connections by said first shaft, and means driven by said clutchdevice for operating said support to move a cake or block of ice againstsaid scoring devices;

13. An ice scoring machine comprising a support for supporting andmoving a cake or block of ice, scoring devices for scoring the cake orblock of ice automatically and as an incident to the movement of saidcake or block by said support, two axially alined shafts, a clutchdevice mounted on one of said support for a cake or block of ice, twoaxially alined shafts, a clutch device mounted on one of said shafts,,aclutch member mounted on the other shaft for engagement by said clutchdevice to rotate said other shaft, connections operated by said othershaft for raising and lowering said support, an ejector for moving thecake or block of ice from said support, a clutch element mounted on saidone shaft for engagement and rotation by said clutch device, and meansfor moving said clutch device 7 into engagement with said clutch elementto thereby operate said ejector while said other shaft remainsstationary.

15. An ice scoring machine comprising a support for a cake or block ofice, two axially alined shafts, a clutch device mounted on one of saidshafts, a clutch member mounted on the other shaft for engagement bysaid clutch device to rotate said other shaft, connections operated bysaid other shaft for raising and lowering said support, an ejector formoving the cake or block of ice from said support, a clutch elementmounted on said one shaft for engagement and rotation by saidclutch'device, means for moving said clutch device into engagement withsaid clutch element to thereby operate said ejector while said othershaft remains stationary, and gearing for rotating said one shaftalternately in opposite directions.

16. An ice scoring machine comprising a support for a cake or block ofice, two axially alined shafts, a clutch device mounted on one of saidshafts, a clutch member mounted on the other shaft for engagement bysaid clutch device to rotate said other shaft, connections operated bysaid other shaft for raising and lowering said support, an ejector formovingv the cake or block of ice from said support, a clutch elementmounted on said one shaft for engagement and rotation by'said clutch 1device, means for moving said clutch device into engagement with saidclutch element to thereby operate said ejector while said other shaftremains stationary, and mechanism for rotating said one shaft in onedirection when rotary shaft, a support for a cake or block of ice,flexible connections from said support to said shaft whereby rotation ofsaid shaft in one direction will raise said support and rotation of saidshaft in the opposite direction will permit said support to descend, adriving shaft in axial alinement with said rotary shaft, an ejector formoving the cake or block of ice from said support, driving connectionsfor operating said ejector, and a device mounted on said driving shaftfor rotating said first shaft or operating said driving connections asdesired.

18. An ice scoring machine comprising a driving shaft, a cylindricalshaft in which said drivin shaft is mounted, mechanism for rotating saldc lindrical shaft in either direction, means or driving said drivingshaft b said cylindrical shaft, a. shaft in axial alinement with saiddriving shaft, a device for rotating said last named shaft by saiddriving shaft, means for moving said device to position to permit saiddriving shaftto rotate While said last named shaft remains stationary,scoring devices, and a support 0perated by said last named shaft formoving a cake or block of ice into engagement with said scoring devices.

19. An ice scoring machine comprising a driving shaft, a cylindricalshaft in which said driving shaft is mounted, mechanism for rotatingsaid cylindrical shaft in either direction, means for driving saiddriving shaft by said cylindrical shaft, a shaft in axial alinement withsaid driving shaft, a device for rotating said last named shaft by saiddriving shaft, means for moving said device to position to permit saiddriving shaft to retate while said last named shaft remains stationary,scoring devices, a support operated by said last. named shaft for movinga cake or block of ice into engagement with said scoring devices, anejector for moving the cake or block of ice from said support, andmechanism controlled by said device for operating said ejector whilesaid last named shaft remains stationary.

20. An ice scoring machine comprising a driving shaft, a cylindricalshaft enclosing a part of said driving shaft, gearing for retating saiddriving shaft by said cylindrical shaft, mechanism for rotating saidcylindrical shaft and thereby said driving shaft alternately in oppositedirections, scoring devices, a support for a cake or block of ice, andmechanism operated by said driving shaft for raising and for controllingthe descent of said support to move the cake or block of ice thereoninto contact with said scoring devices.

21. An ice scoring machine comprising a driving shaft, an operatingshaft co-axial with said driving shaft, gearing for rotating saiddriving shaft by said operating shaft, mechanism for rotating saidoperating shaft and thereby said driving shaft alter ately in oppositedirections, scoring mechanism, means for operating said scoringmechanism, and mechanism operated by said driving shaft for moving acake or block of ice into contact with said scoring mechanism.

22. Anice scoring machine comprising a driving shaft, an operating shaftco-axial with said driving shaft, gearing for rotating said drivingshaft by said operating shaft, mechanism for rotating said operatingshaft and thereby said driving shaft alternately in opposite directions,scoring mechanism, means for operating saic scoring mechanism,mechanism. operated by said driving shaft for moving a cake or block ofice into contact with said scoring mechanism, an ejector for moving acake or block of ice from the machine, and mechanism operated by saiddriv ing shaft for operating said ejector.

23. An ice scoring machine comprising a rigid frame having open ends toreceive and discharge cakes or blocks of ice, an elevator mounted insaid frame for receiving and supporting the cakes or blocks of icesuccessively and having open ends to permit the cakes or blocks of iceto move onto the elevator at one end and to move from the elevator atthe other end, scoring devices supported by said frame at the sides ofsaid ele 'ator, a rotary shaft supported by said frame parallel with theline of movement of the cakes or blocks of ice through said frame,spaced flexible connections from said elevator to said shaft for raisingand lowering said elevator by said shaft, a clutch device, means forshifting said clutch device to and from position to rotate said shaft, avertical shaft, mechanism controlled by said clutch device to rotatesaid vertical shaft when said clutch device is out of position to rotatesaid first shaft, and an ejector operated by said vertical shaft formoving the cakes or blocks of ice from said elevator. 1

24. An ice scoring machine comprising a rigid frame having open ends toreceive and discharge cakes or blocks of ice, an elevator mounted insaid frame for receiving and supporting the cakes or blocks of icesuccessively and having open ends to permit the cakes or blocks of iceto move onto the elevator at one end and to move from the elevator atthe other end, scoring devices supported by said frame at the sides ofsaid elevator, a rotary shaft supported by said frame parallel with theline of movement of the cakes or blocks of ice through said frame,spaced flexible connections from said elevator to said shaft for raisingand lowering said elevator by said shaft, a clutch device, means forshifting said clutch device to and from position to rotate said shaft, avertical shaft, mechanism controlled by said clutch device to rotatesaid vertical shaft when said clutch device is out of position to rotatesaid first shaft, an ejector operated by said vertical shaft for movingthe cakes or blocks of ice from said elevator, and scoring devices forscoring the cakes or blocks of ice during its movement by said ejectorfrom said elevator.

25. In an ice scoring machine having ice moving means comprising anelevator and an ejector, means for alternately operating said elevatorand said ejector comprising a shaft to, adouble-clutch element 50mounted on and driven thereby, a clutch member 49 j ournaled on saidshaft to be driven by said clutch element in one position thereof, abearing 48 mounted at the extremity of said shaft 46, a second shaft 19having a clutch member 20 at its adj acent extremity and having saidadjacent extremity mounted on said bearing 48 to position said clutchmember 20 to be driven by said clutch element in a second positionthereof, means for driving said shaft 46 to drive said clutch element,and means connecting said clutch members individually for driving saidelevator and ejector.

26. In an ice scoring machinev having an elevator and ejector and areversible drive adapted to drive in one direction and couplable forraising said elevator and adapted to drive in the other direction forlowering said elevator and thereafter operating said ejector, drivereversing means embodying snap action means for maintaining said drivein either direction until positively reversed, drive control meanscomprising means for coupling said drive while operating in the firstmentioned direction for raising said elevator, means carried by saidelevator for shifting said drivemeversing means when said elevatorreaches the top of its movement to effect lowering of said elevator andfor simultaneously positioning a lever in operable relation to saidejector, automatic means for shifting said drive from said elevator tosaid ejector Without reversal thereof when said elevator reaches thebottom of its travel, and means carried by said ejector for moving saidlever after ejection of the block from the machine to positively shiftsaid drive reversing means and disconnect said drive from said elevatorand ejector.

2?. In an ice scoring machine having an ice passage therethrough and anelevator in said passage for receiving a block of ice and reciprocatingit transversely; abutment means for stopping the ice in position to bereciprocated by said elevator; means operable upon reciprocation of saidelevator for moving said abutment means to, and retaining it in,ineffective position; an ejector for moving the ice from said elevatorand out of the machine; and means operable by said ejector for repositioning said abutment to stop the next block of ice entering theelevator.

28. In an ice scoring machine having an ice passage therethrough anelevator normally aligned in said passage for receiving a block of icepassed thereinto; abutment means normally arranged for stopping saidblock of ice in said elevator; driving means for raising and loweringsaid elevator; means operable upon reciprocation of said elevator formoving said abutment to, and retaining it in, ineffective position;ejector means for moving said ice block from the elevator; automaticmeans for disconnecting the driving means from said elevator andconnecting operating means for said ejector means upon return of saidelevator to alignment with said passage; means controlled by saidejector means for effecting return of said abutment to normal positionas said cake of ice is being ejected; an d means operated by saidejector means for disconnecting the operatingmeans from said ejectormeans after said cake of ice has been ejected.

RICHARD S. COWAN.

